ui-refs.c: show download links for all tags referring to commit objects

The snapshot function has only been linked to from the commit page while
users often would want to download a certain release. With this patch,
direct download links will now be printed for each tagged release on the
repo summary page.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 34 insertions, 3 deletions

diff --git a/ui-refs.c b/ui-refs.c
index 32e0429..0805fc8 100644
--- a/ui-refs.c
+++ b/ui-refs.c
@@ -80,3 +80,3 @@ static void print_tag_header()
         html("<tr class='nohover'><th class='left'>Tag</th>"
-             "<th class='left'>Reference</th>"
+             "<th class='left'>Download</th>"
              "<th class='left'>Author</th>"
@@ -86,2 +86,27 @@ static void print_tag_header()
 
+static void print_tag_downloads(const struct cgit_repo *repo, const char *ref)
+{
+        const struct cgit_snapshot_format* f;
+            char *filename;
+        const char *basename;
+
+        if (!ref || strlen(ref) < 2)
+                return;
+
+        basename = cgit_repobasename(repo->url);
+        if (prefixcmp(ref, basename) != 0) {
+                if ((ref[0] == 'v' || ref[0] == 'V') && isdigit(ref[1]))
+                        ref++;
+                if (isdigit(ref[0]))
+                        ref = xstrdup(fmt("%s-%s", basename, ref));
+        }
+
+        for (f = cgit_snapshot_formats; f->suffix; f++) {
+                if (!(repo->snapshots & f->bit))
+                        continue;
+                filename = fmt("%s%s", ref, f->suffix);
+                cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
+                html("&nbsp;&nbsp;");
+        }
+}
 static int print_tag(struct refinfo *ref)
@@ -100,3 +125,6 @@ static int print_tag(struct refinfo *ref)
                 html("</td><td>");
-                cgit_object_link(tag->tagged);
+                if (ctx.repo->snapshots && (tag->tagged->type == OBJ_COMMIT))
+                        print_tag_downloads(ctx.repo, name);
+                else
+                        cgit_object_link(tag->tagged);
                 html("</td><td>");
@@ -114,3 +142,6 @@ static int print_tag(struct refinfo *ref)
                 html("</td><td>");
-                cgit_object_link(ref->object);
+                if (ctx.repo->snapshots && (tag->tagged->type == OBJ_COMMIT))
+                        print_tag_downloads(ctx.repo, name);
+                else
+                        cgit_object_link(ref->object);
                 html("</td></tr>\n");